/**
 * 全站路由配置
 *
 * 建议:
 * 1. 代码中路由统一使用name属性跳转(不使用path属性)
 */
import Vue from 'vue'
import Router from 'vue-router'
import http from '@/utils/httpRequest'
import { isURL } from '@/utils/validate'
import { clearLoginInfo } from '@/utils'
import home from '../views/common/home.vue'
//老师相关
import course from '../views/modules/teacher/course.vue'
import addcourse from '../views/modules/teacher/addcourse.vue'
import teacheroper from '../views/modules/teacher/teacheroper.vue'

import teacherclass from '../views/modules/teacher/class/class.vue'
import studentmanage from '../views/modules/teacher/class/studentmanage.vue'

import task from '../views/modules/teacher/task/task.vue'
import addtask from '../views/modules/teacher/task/addtask.vue'
import revise from '../views/modules/teacher/task/revise.vue'

import teacherManageTopic from '../views/modules/teacher/topiclib/teacherManageTopic.vue'

import signin from '../views/modules/teacher/signin/signin.vue'
import managesingn from '../views/modules/teacher/signin/managesingn.vue'

//学生相关
import student from '../views/modules/student/student.vue'


Vue.use(Router)

// 开发环境不使用懒加载, 因为懒加载页面太多的话会造成webpack热更新太慢, 所以只有生产环境使用懒加载
const _import = require('./import-' + process.env.NODE_ENV)

// 全局路由(无需嵌套上左右整体布局)
const globalRoutes = [
  { path: '/404', component: _import('common/404'), name: '404', meta: { title: '404未找到' } },
  { path: '/login', component: _import('common/login'), name: 'login', meta: { title: '登录' } }
]

// 主入口路由(需嵌套整体布局)
const mainRoutes = {
  path: '/',
  component: _import('main'),
  name: 'main',
  redirect: { name: 'home' },
  meta: { title: '主入口整体布局' },
  children: [
    // 通过meta对象设置路由展示方式
    // 1. isTab: 是否通过tab展示内容, true: 是, false: 否
    // 2. iframeUrl: 是否通过iframe嵌套展示内容, '以http[s]://开头': 是, '': 否
    // 提示: 如需要通过iframe嵌套展示内容, 但不通过tab打开, 请自行创建组件使用iframe处理!
    { path: '/home', component: home, name: 'home', meta: { title: '首页' } },
    { path: '/theme', component: _import('common/theme'), name: 'theme', meta: { title: '主题' } },
    //老师
    {
      path: '/course',
      name: 'course',
      component: course,
      meta: {
        keepAlive: true,  // 需要缓存
      }
    },
    { path: '/addcourse', component: addcourse, name: 'addcourse' },

    { path: '/teacheroper', component: teacheroper, name: 'teacheroper' },
    { path: '/class', component: teacherclass, name: 'teacherclass' },
    { path: '/studentmanage', component: studentmanage, name: 'studentmanage' },

    { path: '/task', component: task, name: 'teachertask' },
    { path: '/addorupdatatask', component: addtask, name: 'teacheraddtask' ,meta:{isturn:true}},//revise
    { path: '/revisetask', component: revise, name: 'teacherrevisetask' ,meta:{isturn:true}},

    { path: '/teacherManageTopic', component: teacherManageTopic, name: 'teacherManageTopic', },

    { path: '/signin', component: signin, name: 'teachersignin' },
    { path: '/managesingn', component: managesingn, name: 'managesingn' },

    //学生
     {
      path: '/student',
      name: 'student',
      component: student,
      meta: {
        keepAlive: true,  // 需要缓存
      }
    },


    //其它
    { path: '/demo-echarts', component: _import('demo/echarts'), name: 'demo-echarts', meta: { title: 'demo-echarts', isTab: true } },
    { path: '/demo-ueditor', component: _import('demo/ueditor'), name: 'demo-ueditor', meta: { title: 'demo-ueditor', isTab: true } }
  ],
  // beforeEach(to, from, next) {
  //   console.log("**to**", to.name, "***from**", from.name);
  //   if (to.name == 'course' && from.name == 'addcourse') {
  //     from.meta.keepAlive = false;
  //   }
  //   next()
  // },

  beforeEnter(to, from, next) {
    let token = Vue.cookie.get('token')
    if (!token || !/\S/.test(token)) {
      clearLoginInfo()
      next({ name: 'login' })
    }
    next()
  }
}

const myroters = [
  {
    path: '/teacher/course',
    name: 'course',
    component: course
  }
]

const router = new Router({
  mode: 'history',
  scrollBehavior: () => ({ y: 0 }),
  isAddDynamicMenuRoutes: false, // 是否已经添加动态(菜单)路由
  routes: globalRoutes.concat(mainRoutes)
  // {
  //   path: '/teacher/course',
  //   name: 'course',
  //   component: _import('modules/teacher/course')
  // }

})




/**
 * 判断当前路由类型, global: 全局路由, main: 主入口路由
 * @param {*} route 当前路由
 */
function fnCurrentRouteType(route, globalRoutes = []) {
  var temp = []
  for (var i = 0; i < globalRoutes.length; i++) {
    if (route.path === globalRoutes[i].path) {
      return 'global'
    } else if (globalRoutes[i].children && globalRoutes[i].children.length >= 1) {
      temp = temp.concat(globalRoutes[i].children)
    }
  }
  return temp.length >= 1 ? fnCurrentRouteType(route, temp) : 'main'
}

/**
 * 添加动态(菜单)路由
 * @param {*} menuList 菜单列表
 * @param {*} routes 递归创建的动态(菜单)路由
 */
function fnAddDynamicMenuRoutes(menuList = [], routes = []) {
  var temp = []
  for (var i = 0; i < menuList.length; i++) {
    if (menuList[i].list && menuList[i].list.length >= 1) {
      temp = temp.concat(menuList[i].list)
    } else if (menuList[i].url && /\S/.test(menuList[i].url)) {
      menuList[i].url = menuList[i].url.replace(/^\//, '')
      var route = {
        path: menuList[i].url.replace('/', '-'),
        component: null,
        name: menuList[i].url.replace('/', '-'),
        meta: {
          menuId: menuList[i].menuId,
          title: menuList[i].name,
          isDynamic: true,
          isTab: true,
          iframeUrl: ''
        }
      }
      // url以http[s]://开头, 通过iframe展示
      if (isURL(menuList[i].url)) {
        route['path'] = `i-${menuList[i].menuId}`
        route['name'] = `i-${menuList[i].menuId}`
        route['meta']['iframeUrl'] = menuList[i].url
      } else {
        try {
          route['component'] = _import(`modules/${menuList[i].url}`) || null
        } catch (e) { }
      }
      routes.push(route)
    }
  }
  if (temp.length >= 1) {
    fnAddDynamicMenuRoutes(temp, routes)
  } else {
    mainRoutes.name = 'main-dynamic'
    mainRoutes.children = routes
    router.addRoutes([
      mainRoutes,
      { path: '*', redirect: { name: '404' } }
    ])
    sessionStorage.setItem('dynamicMenuRoutes', JSON.stringify(mainRoutes.children || '[]'))
    console.log('\n')
    console.log('%c!<-------------------- 动态(菜单)路由 s -------------------->', 'color:blue')
    console.log(mainRoutes.children)
    console.log('%c!<-------------------- 动态(菜单)路由 e -------------------->', 'color:blue')
  }
}

export default router
